solidification gradient

例句：

1. 1. The solidification gradient is crucial for the formation of ice crystals.
   凝固梯度对于冰晶的形成至关重要。
2. 2. The solidification gradient affects the rate at which ice forms in the ocean.
   凝固梯度影响海洋中冰形成的速率。
3. 3. The solidification gradient can be used to predict the behavior of materials under different temperatures.
   凝固梯度可以用来预测材料在不同温度下的行为。